{"product_id":"3m-fiberglass-resin-repair-kit-0-9-quart-diy-kit-for-cars-boats-waterproof-sandable-finish","title":"3M Fiberglass Resin Repair Kit — 0.9 Quart DIY kit for cars \u0026 boats, waterproof sandable finish","description":"\u003cp\u003e\u003cstrong\u003e3M Bondo Fiberglass Resin Repair Kit (00422) is a complete 0.9 quart DIY kit for repairing holes, cracks and damaged surfaces on cars, boats and more with a waterproof, sandable finish.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit supplies everything needed to restore fiberglass, metal, wood and concrete panels without replacing entire parts. The package contains resin and liquid hardener formulated to bond and seal; included tools like cloth, spreader and mixing tray simplify application for hobbyists and professionals alike. Cures quickly and sands smooth in about two hours, letting you move to priming and paint sooner.\u003c\/p\u003e\n\n\u003ch3\u003eWhat damage can this kit repair?\u003c\/h3\u003e\n\u003cp\u003eThe Bondo Fiberglass Resin Repair Kit is built to handle punctures, cracks, delamination and larger holes on automobile body panels, boat hulls, fiberglass trim and structural patches. It creates a waterproof bond that restores strength and prevents moisture intrusion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatching holes and gouges in fiberglass and gelcoat\u003c\/li\u003e\n  \u003cli\u003eFilling rusted or corroded metal patches before surface finish\u003c\/li\u003e\n  \u003cli\u003eRepairing wood or concrete spots where a waterproof seal is needed\u003c\/li\u003e\n  \u003cli\u003eLaminating layers with the included fiberglass cloth for structural support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long does the repair take from mix to sandable?\u003c\/h3\u003e\n\u003cp\u003eSet and cure times depend on temperature and amount of hardener used, but typical repairs reach a sandable state in about two hours under normal shop conditions. The fast cure helps you move through builds quickly while allowing adequate working time for shaping and wetting fiberglass cloth.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMix resin and hardener per included instructions for predictable cure\u003c\/li\u003e\n  \u003cli\u003ePartial cure in roughly 20–30 minutes for tack-free handling\u003c\/li\u003e\n  \u003cli\u003eSandable, stable surface in about two hours at room temperature\u003c\/li\u003e\n  \u003cli\u003eFull mechanical strength continues to develop after initial cure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools and materials are included and what else will I need?\u003c\/h3\u003e\n\u003cp\u003eThe kit arrives with resin, liquid hardener, a plastic spreader, fiberglass cloth, mixing stick and mixing tray so you can begin most repairs immediately. For best results you may want common workshop extras for surface prep and finishing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: resin, hardener, spreader, cloth, mixing stick, tray\u003c\/li\u003e\n  \u003cli\u003eRecommended: sandpaper, body filler or primer, protective gloves, respirator\u003c\/li\u003e\n  \u003cli\u003eOptional: fiberglass mat for large area reinforcement, power sander for finish work\u003c\/li\u003e\n  \u003cli\u003ePaint compatibility: sands smooth and accepts most automotive primers and paints\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and waterproof are the finished repairs?\u003c\/h3\u003e\n\u003cp\u003eWhen mixed and applied correctly, the cured resin creates a durable, waterproof seal suitable for exterior automotive and marine use. It restores structural integrity where cloth is laminated and provides a base that accepts subsequent finishing coats.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e100% waterproof when fully cured and properly finished\u003c\/li\u003e\n  \u003cli\u003eStrong adhesion to fiberglass, many metals, wood and concrete\u003c\/li\u003e\n  \u003cli\u003eResists moisture intrusion that can cause further damage\u003c\/li\u003e\n  \u003cli\u003eSandable surface that accepts primer and paint for lasting appearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The 3M Bondo Fiberglass Resin Repair Kit (00422) is designed for DIYers, hobbyists, body shop technicians and boat owners who need a ready-to-use repair system for small to medium fiberglass and mixed-material damage. If you want a portable, all-in-one kit that offers fast curing, waterproof sealing and a sandable finish to prepare for paint, this kit supplies the essential materials and basic tools to complete those projects without replacing entire panels.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this kit suitable for marine repairs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — when mixed and applied correctly, the cured resin creates a waterproof patch suitable for boat hulls and exterior marine surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long until I can sand the repair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under typical conditions the repair becomes sandable in about two hours; exact times vary with temperature and hardener amount.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":48083115704478,"sku":"B000BO7CVK","price":56.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/3m-bondo-00422-front-package.jpg?v=1785825463","url":"https:\/\/northtrailauto.ca\/products\/3m-fiberglass-resin-repair-kit-0-9-quart-diy-kit-for-cars-boats-waterproof-sandable-finish","provider":"North Trail Auto","version":"1.0","type":"link"}